random_maps/rogue_layout.c File Reference

#include <global.h>
#include <math.h>

Go to the source code of this file.

Data Structures
struct	Room
Functions
static int	roguelike_place_room (Room *Rooms, int xsize, int ysize, int nrooms)
static void	roguelike_make_rooms (Room *Rooms, char **maze, int options)
static void	roguelike_link_rooms (Room *Rooms, char **maze)
int	surround_check (char **layout, int i, int j, int Xsize, int Ysize)
char **	roguelike_layout_gen (int xsize, int ysize, int options)

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Detailed Description

Rogue/nethack-like layout generation.

Definition in file rogue_layout.c.

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Function Documentation

char** roguelike_layout_gen	(	int	xsize,
		int	ysize,
		int	options
	)

Actually make the rogue layout. We work by a reduction process:

first we make everything a wall, then we remove areas to make rooms.

Parameters:

xsize	X size of the wanted layout size.
ysize	Y size of the wanted layout size.
options	2 to have circular rooms, 1 for rectangular ones, another value for random choice.

Returns:

Generated layout.

Definition at line 102 of file rogue_layout.c.

static void roguelike_link_rooms	(	Room *	Rooms,
		char **	maze
	)		[static]

Link generated rooms with corridors.

Parameters:

Rooms	Room list.
maze	Maze.
xsize	X size of the maze.
ysize	Y size of the maze.

Definition at line 375 of file rogue_layout.c.

static void roguelike_make_rooms	(	Room *	Rooms,
		char **	maze,
		int	options
	)		[static]

Write all the rooms into the maze.

Parameters:

Rooms	List of rooms to write.
maze	Where to write to.
options	2 to have circular rooms, 1 for rectangular ones, another value for random choice.

Definition at line 324 of file rogue_layout.c.

static int roguelike_place_room	(	Room *	Rooms,
		int	xsize,
		int	ysize,
		int	nrooms
	)		[static]

Place a room in the layout.

Parameters:

Rooms	List of existing rooms, new room will be added to it.
xsize	X size of the layout.
ysize	Y size of the layout.
nrooms	Wanted number of room, used to determine size.

Returns:

0 if no room could be generated, 1 otherwise.

Definition at line 236 of file rogue_layout.c.

int surround_check	(	char **	layout,
		int	i,
		int	j,
		int	Xsize,
		int	Ysize
	)

Checks free spots around a spot.

Parameters:

layout	Map layout.
i	X coordinate to check.
j	Y coordinate to check.
Xsize	X size of the layout.
Ysize	Y size of the layout.

Returns:

Combination of the following values:

• 1: Free space to left,
• 2: Free space to right,
• 4: Free space above
• 8: Free space below

Definition at line 66 of file rogue_layout.c.